Identity and Verification
With multi-channel verification, fraud detection, and global compliance, Sinch helps you secure customer data and control expenses.
“Sinch literally covers all of our markets. In the end, the simplicity that Sinch offers provides what we need at the highest quality. That’s why it has been a great partnership.”
“Sinch has simplified our operations with OTP functionality. Customers receive a password quickly and easily, and then they can readily perform secure transactions in their accounts.”
Sinch gives you one API that covers the verification methods enterprises rely on most — SMS and phone call — plus advanced options like patented Flash Call and data verification that can cut costs by up to 50% while keeping sign-ups seamless and secure.
One API for SMS, phone call, data, and patented Flash Call verification
Reduce OTP costs with smarter channel mix while maintaining enterprise-grade security
Deliver faster, frictionless user experiences with modern verification methods
Failed authentications, clunky UX, and delayed codes reduce conversion rates. Sinch gives you a reliable API to deliver fast, user-friendly verification.
Offer users flexible and reliable options including SMS, email, voice, Flash Call, and data verification
Reduce drop-offs with fast delivery and fallback methods
Improve conversion rates by removing friction and delays from critical verification moments
Stop threats before they reach your customers. With real-time number intelligence, Sinch helps you detect SIM swaps, traffic pumping, and fake accounts — protecting both your users and your margins.
Detect SIM swaps and compromised accounts before fraudsters get in
Block Artificial Inflation of Traffic (AIT) and other costly fraud tactics
Use Data Verification to verify users discreetly in the background without disrupting their experience
Keep personal phone numbers private while still enabling seamless communication. With Sinch, you can connect users without exposing sensitive data — reducing fraud, liability, and compliance risk.
Mask phone numbers in voice calls and messages to keep identities hidden
Enable safe, anonymous interactions between users
Protect your platform from fraud, disputes, and regulatory risk
Protect customer identities, prevent fraud, and deliver peace of mind across trusted channels.
